<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js">
    </script>
</head>

<body>
    <script>

    </script>
    <form ng-app="" name="myForm">
        Email:
        <input type="email" name="myAddress" ng-model="text">
        <span ng-show="myForm.myAddress.$error.email">不是一个合法的邮箱地址</span>
    </form>
</body>

</html>